No, aortic aneurysm is not contagious. It is a condition characterized by a bulge in the wall of the aorta, the body's largest artery. Aortic aneurysms can develop due to various factors such as aging, high blood pressure, smoking, and genetic predisposition. However, it is important to note that aortic aneurysms cannot be transmitted from person to person through any form of contact or exposure.